Esterification and Acetalization of Steroids in the Presence of the Heteropoly Acid H3PW12O40
Full article
Общее |
Language:
Английский,
Genre:
Full article,
Status:
Published,
Source type:
Original
|
Journal |
Reaction Kinetics and Catalysis Letters
ISSN: 0133-1736
, E-ISSN: 1588-2837
|
Output data |
Year: 1991,
Volume: 45,
Number: 2,
Pages: 215-219
Pages count
: 5
DOI:
10.1007/BF02070430
|
Authors |
Timofeeva M.N.
1
,
Grosheva V.S.
2
,
Demchenko B.I.
2
,
Kozhevnikov I.V.
1
|
Affiliations |
1 |
Institute of Catalysis, Novosibirsk 630090
|
2 |
Pharmaceutical Plant "Akrikhin", Staraya Kupavna, Moscow Region 142450, USSR
|
|
H3PW12O40 and H3PW12O40/SiO2 are efficient catalysts for esterification and acetalization of steroids (testosterone,
17 α-hydroxyprogesterone, 11, 21-diacetoxy-16α-hydroxyprednisolone) at 40–82 °C.